The Hebrew Calendar is Lunar based.  The New Moon notes the first day of the month.
HEBREW CALENDAR GREGORIAN CALENDAR
RED INDICATES DATES OF NOTE BLUE INDICATES NEW MOON
TISHRI - 5768 SEPT/OCT - 2007
S M T W T F S S M T W T F S
1 2 3 11 -- 13 14 15
4 5 6 7 8 9 10 16 17 18 19 20 21 22
11 12 13 14 15 16 17 23 24 25 26 27 28 29
18 19 20 21 22 23 24 30 Oct 1 2 3 4 5 6
25 26 27 28 29 30 7 8 9 10 11 12
HESHVAN - 5768 OCT/NOV - 2007
S M T W T F S S M T W T F S
1 13
2 3 4 5 6 7 8 14 15 16 17 18 19 20
9 10 11 12 13 14 15 21 22 23 24 25 26 27
16 17 18 19 20 21 22 28 29 30 31 Nov 1 2 3
23 24 25 26 27 28 29 4 5 6 7 8 9 10
KISLEV - 5768 NOV/DEC - 2007
S M T W T F S S M T W T F S
1 2 3 4 5 6 7 11 12 13 14 15 16 17
8 9 10 11 12 13 14 18 19 20 21 22 23 24
15 16 17 18 19 20 21 25 26 27 28 29 30 Dec 1
22 23 24 25 26 27 28 2 3 4 5 6 7 8
29 9
TEVETH - 5768 DEC/JAN - 2008
S M T W T F S S M T W T F S
1 2 3 4 5 6 10 11 12 13 14 15
7 8 9 10 11 12 13 16 17 18 19 20 21 22
14 15 16 17 18 19 20 23 24 25 26 27 28 29
21 22 23 24 25 26 27 30 31 Jan 1 2 3 4 5
28 29 6 7
SHEBAT - 5768 JAN/FEB - 2008
S M T W T F S S M T W T F S
1 2 3 4 5 8 9 10 11 12
6 7 8 9 10 11 12 13 14 15 16 17 18 19
13 14 15 16 17 18 19 20 21 22 23 24 25 26
20 21 22 23 24 25 26 27 28 29 30 31 FEB 1 2
27 28 29 30 3 4 5 6
ADAR - 5768 FEB/MAR - 2008
S M T W T F S S M T W T F S
1 2 3 7 8 9
4 5 6 7 8 9 10 10 11 12 13 14 15 16
11 12 13 14 15 16 17 17 18 19 20 21 22 23
18 19 20 21 22 23 24 24 25 26 27 28 29 MAR 1
25 26 27 28 29 30 2 3 4 5 6 7
ADAR 2 - 5768 MAR/APR - 2008
S M T W T F S S M T W T F S
1 8
2 3 4 5 6 7 8 9 10 11 12 13 14 15
9 10 11 12 13 14 15 16 17 18 19 20 21 22
16 17 18 19 20 21 22 23 24 25 26 27 28 29
23 24 25 26 27 28 29 30 31 APR 1 2 3 4 5
NISAN - 5768 APR/MAY - 2008
S M T W T F S S M T W T F S
1 2 3 4 5 6 7 6 7 8 9 10 11 12
8 9 10 11 12 13 14 13 14 15 16 17 18 19
15 16 17 18 19 20 21 20 21 22 23 24 25 26
22 23 24 25 26 27 28 27 28 29 30 MAY 1 2 3
29 30 4 5
IYAR - 5768 MAY/JUNE - 2008
S M T W T F S S M T W T F S
1 2 3 4 5 6 7 8 9 10
6 7 8 9 10 11 12 11 12 13 14 15 16 17
13 14 15 16 17 18 19 18 19 20 21 22 23 24
20 21 22 23 24 25 26 25 26 27 28 29 30 31
27 28 29 JUNE 1 2 3
SIVAN - 5768 JUNE/JULY - 2008
S M T W T F S S M T W T F S
1 2 3 4 4 5 6 7
5 6 7 8 9 10 11 8 9 10 11 12 13 14
12 13 14 15 16 17 18 15 16 17 18 19 20 21
19 20 21 22 23 24 25 22 23 24 25 26 27 28
26 27 28 29 30 29 30 JULY 1 2 3
TAMMUZ - 5768 JULY/AUG - 2008
S M T W T F S S M T W T F S
1 2 4 5
3 4 5 6 7 8 9 6 7 8 9 10 11 12
10 11 12 13 14 15 16 13 14 15 16 17 18 19
17 18 19 20 21 22 23 20 21 22 23 24 25 26
24 25 26 27 28 29 27 28 29 30 31 AUG 1
AV - 5768 AUG/SEPT - 2008
S M T W T F S S M T W T F S
1 2
2 3 4 5 6 7 8 3 4 5 6 7 8 9
9 10 11 12 13 14 15 10 11 12 13 14 15 16
16 17 18 19 20 21 22 17 18 19 20 21 22 23
23 24 25 26 27 28 29 24 25 26 27 28 29 30
30 31
ELUL - 5768 SEPT/OCT - 2008
S M T W T F S S M T W T F S
1 2 3 4 5 6 SEPT 1 2 3 4 5 6
7 8 9 10 11 12 13 7 8 9 10 11 12 13
14 15 16 17 18 19 20 14 15 16 17 18 19 20
21 22 23 24 25 26 27 21 22 23 24 25 26 27
28 29 28 29
Tishri 1 Rosh HaShanah - Beginning of Secular Year (Leviticus 23:23)
Tishri 10 Yom Kippur - Day of Atonement (Leviticus 23:26)
Tishri 15 Sukkot - Feast of Booths, Feast of Harvest (Leviticus 23:33)
Kislev 25 Chanukah - Festival of Lights (see History of Maccabean Revolt)
Adar 14 & 15 Purim - see Book of Esther
Nisan 10 Passover Lamb chosen (Exodus 12:3)
Nisan 14 Passover begins at Sundown (Leviticus 23:5)
Nisan 15 The Feast of Unleavened Bread (Leviticus 23:6)
The first Sunday after Passover begins the fifty day count
for Pentecost  (Leviticus 23:11)
Sivan 5 Shavuot - Pentecost (Leviticus 23:16)
Tammuz 17 Anniversary of destruction of the walls of Jerusalem (twice)
Av 9 Anniversary of destruction of the Temple (twice)